Vial sleeve



FIG. 1 is a perspective view of a vial sleeve showing my new design;

FIG. 2 is a side elevational view thereof, with all other elevational views being identical thereto;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is an enlarged cross-sectional view thereof, taken along the line 5--5 of FIG. 2. 

The ornamental design for a vial sleeve, as shown and described. 